● Excellent endurance with 3K P/E cycle rating
● Meets SD 5.1 specification and Application Performance Class 1 (A1) standard
● Supports SD and SPI modes
● Wide-temperature resistance (-40°C to 85°C)
● Supports LDPC ECC error correcting
● Supports wear leveling, End-to-End Data Protection
● Suitable for industrial automation systems (for example: PLC), transportation systems (for example: in-vehicle data recorders), POS devices, surveillance systems and other industrial storage devices


The ADATA IUDD33K industrial-grade A1 (Application Performance Class 1) microSD card implements 3D TLC Flash, sports a 3K P/E cycle rating, and read and write speeds of up to 95/70MB per second. The IUDD33K is ideally suited for applications such as industrial automation, surveillance systems, point of sale systems. For excellent durability, the IUDD33K is built to withstand wide-temperature ranges (-40°C to 85°C). The IUDD33K also supports LDPC error correcting code and wear leveling technologies, and features ADATA's proprietary A+ SLC technology for a long product lifespan.


Capacity(TLC) 16GB / 32GB / 64GB / 128GB / 256GB
(A+ SLC) 4GB / 8GB / 16GB / 32GB / 64GB
Dimensions (L x W x H)11 x 15 x 1mm
InterfaceSD 5.1 Compliance
Form FactormicroSD
Operating Voltage3.3V ± 5%
Power Consumption0.5W
Shock Resistance1500G/0.5ms
Operating Humidity5%-95% RH, non-condensing
Flash Type3D TLC
Sequential Read (Max*)95MB/s
Sequential Write (Max*)70MB/s
Speed ClassUHS Speed : Class 1
Speed Class : Class 10
Video Speed Class : V10
Application Performance Class : A1
Operating Temperature (Operational)-40ºC to 85ºC
Operating Temperature (Non-operational)-25ºC to 85ºC
Vibration Resistance20G (10-2000Hz)
TechnologiesLDPC ECC, Wear Leveling, H/W Power Detector, Flash Protection, A+ SLC Mode

Ordering Info

ADATA Part No.Capacity Description
IUDD33K-016GP16GB Industrial SD 3D TLC, Wide, -40~+85℃
IUDD33K-016GR16GB Industrial SD 3D TLC, Normal, -25~85℃,
IUDD33K-032GP32GB Industrial SD 3D TLC, Wide, -40~+85℃
IUDD33K-032GR32GB Industrial SD 3D TLC, Normal, -25~85℃,
IUDD33K-064GP64GB Industrial SD 3D TLC, Wide, -40~+85℃
IUDD33K-064GR64GB Industrial SD 3D TLC, Normal, -25~85℃,
IUDD33K-128GR128GB Industrial SD 3D TLC, Normal, -25~85℃,
IUDD33K-256GR256GB Industrial SD 3D TLC, Normal, -25~85℃,

Data Sheet

Datasheet - IUDD33K microSD Card677KB2020-04-22Datasheet - IUDD33K microSD Card